Free. Runs in this tab. Nothing is uploaded.

Remove duplicate CSV rows

Pick a CSV. This page drops exact duplicate rows, trims spaces, and gives you a new file. It does not leave your browser.

First row is a header, and it is kept

Clean Download cleaned CSV

No file yet.

When this is not enough

A custom cleanup, a formula, or a script you can run again is a separate job. An AI team does that one task for $49 in two business days, or refunds. The spreadsheet job. Pay $49.